Description
How It Works
- Separation: It contains an internal elastomeric (rubber) bladder that keeps the foam concentrate separate from the water supply.
- Compression: When the system is activated, pressurized water enters the tank and fills the space between the outer shell and the bladder.
- Mixing: This water pressure squeezes the bladder, forcing the foam concentrate out into a proportioner.
- Discharge: The proportioner mixes the concentrate with the water stream (typically at 1%, 3%, or 6%) to create a foam solution that is then discharged through sprinklers or foam monitors.
Key Features
- No Power Required: The system is purely hydraulic, meaning it operates entirely on the pressure of the incoming water supply without needing electricity or pumps.
- Reliability: With few moving parts, it is highly reliable for high-hazard environments.
- Versatility: Available in vertical or horizontal configurations with capacities ranging from 200 to over 20,000 liters.
- Compatibility: Works with various foam types, including AFFF (Aqueous Film Forming Foam) and AR-AFFF (Alcohol Resistant AFFF).
Common Applications
Bladder tanks are primarily used for protecting high-risk areas involving flammable liquids, such as:
- Oil and Gas: Refineries, petrochemical plants, and offshore platforms.
- Aviation: Aircraft hangars.
- Industrial: Power stations (transformers), chemical warehouses, and fuel storage tank farms
